Load server config on react app

geneit_backend/Cargo.lock

@@ -19,6 +19,21 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "actix-cors"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b340e9cfa5b08690aae90fb61beb44e9b06f44fe3d0f93781aaa58cfba86245e"
+dependencies = [
+ "actix-utils",
+ "actix-web",
+ "derive_more",
+ "futures-util",
+ "log",
+ "once_cell",
+ "smallvec",
+]
+
 [[package]]
 name = "actix-http"
 version = "3.3.1"
@@ -779,6 +794,7 @@ dependencies = [
 name = "geneit_backend"
 version = "0.1.0"
 dependencies = [
+ "actix-cors",
  "actix-remote-ip",
  "actix-web",
  "anyhow",